The total expenditure of a family in 1920 is Rs. 8,000. The cost of living indext for the year 1920 taking 1910 as the base year is 160. Then the expenditure of the family in the year 1910 was `"_______".`

In the year 1980, the total expenditure of a family was Rs. 8400. The cost of living index for the year 1980, by taking 1940 as the base year, was 240. Then the expenditure of the family in the year 1940 was _____.

On certain consumable commodities, the total expenditure of a family was found to be Rs. 28,000 in the year 1994. If the cost of living index for the year 2000, taking 1994 as the base year, is 265, then the expenditure of the family, on the same quantities of consumable commodities, in the year 2000 is ____.

On certain consumable goods, the total expenditure of a family was found to be Rs. 18,000 in the year 2005. If the cost of living index for the year 2006, taking 2005 as the base year, is 240, then find the expenditure of the family on the same quantity of consumable items in the year 2006.

The cost of living indext for the year 2004 considering the base year as 2005 is Rs. 120. Find P.

The ratio of the total expenditures of a family for the years 2002 and 2007 is 4 :7 . Find the cost of living index for the year 2007, taking 2002 as the base year.

The ratio of the total expenditure for the years 2000 and 2006 is 5 : 8 . The cost of living index of 2006, taking 2000 as the base year, is ____

Calculate the cost of living indext for the year 2008 taking 2000 as the base year from the following information.

The total expenditure of a school on certaion consumable items was found to be Rs. 50650 in the year 1972. If the cost of living index for the year 1975, taking 1972 as the base year is 162.8, then the expenditure of the school in 1975 is